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相关概念视频

The Physiology of Taste01:24

The Physiology of Taste

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The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the...
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相关实验视频

Updated: Jun 11, 2025

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
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加斯特罗丁通过抑制海马神经干细胞ferroptosis减弱高果糖诱导的甜味偏好下降.

Chuan-Feng Tang1, Hong Ding1, Ya-Qian Wu1

  • 1State Key Laboratory of Pharmaceutical Biotechnology, Institute of Chinese Medicine, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, Nanjing, PR China.

Journal of advanced research
|October 1, 2024
PubMed
概括

高果糖摄入导致神经干细胞铁亡,导致行为变化. 加斯特罗丁通过降低ZIC2和CISD1的调节来防止这种情况,从而改善甜味偏好.

关键词:
在CISD1的基础上,CISD1铁化是铁化的一种.胃中毒是什么? 胃中毒是什么高果糖的高果糖含量是什么国家安全委员会 (NSC) 是国家安全委员会.喜欢甜的味道 喜欢甜的味道

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科学领域:

  • 神经科学是一个神经科学.
  • 细胞生物学 细胞生物学
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 高果糖消费与通过中枢神经系统ferroptosis的行为障碍有关.
  • 神经干细胞 (NSC) 对于海马神经发生和抵抗行为改变至关重要.
  • 来自Gastrodia elata的Gastrodin表现出神经保护性质.

研究的目的:

  • 为了研究高果糖如何诱导甜味偏好.
  • 为了确定加斯托丁对海马体NSC铁亡的作用.

主要方法:

  • 用高果糖和/或胃素治疗小鼠和培养的NSC.
  • 通过脂质过氧化和DNA双链断裂评估NSC铁.
  • 利用RNA-seq,西方涂抹和ChIP来探索机制;使用lentivirus操纵基因表达.

主要成果:

  • 在果糖养小鼠中,Gastrodin 减少了甜味偏好下降和海马体NSC 铁.
  • 鉴定了CDGSH铁硫域1 (CISD1) 作为由果糖调节的铁变媒体.
  • 齐克家族成员2 (ZIC2) 的过度表达增加了CISD1的转录;胃素降低了ZIC2的调节,抑制了CISD1.

结论:

  • 高果糖通过上调ZIC2和CISD1来诱导海马体NSC铁,从而影响甜味偏好.
  • 加斯特罗丁显示在缓解NSC铁化和增强甜味偏好方面具有潜力.